查看版本信息  #1使用命令行模式进入mysql会看到最开始的提示符  Your MySQL connection id is 3  Server version: 5.1.69 Source distribution    #2命令行中使用status可以看到  复制代码 代码如下:     mysql> status;  --------------  mysql Ver 14.14 Distrib 5.1.69, for redhat-linux-gnu (x86_64) using readline 5.1  Connection id:3  Current database:  Current user: root@localhost  SSL: Not in use  Current pager:stdout  Using outfile:''  Using delimiter:;  Server version:5.1.69 Source distribution  Protocol version:10  Connection: Localhost via UNIX socket  Server characterset:utf8  Db characterset:utf8  Client characterset:utf8  Conn. characterset:utf8  UNIX socket: /var/lib/mysql/mysql.sock  Uptime: 3 days 14 hours 50 sec  Threads: 1 Questions: 5 Slow queries: 0 Opens: 15 Flush tables: 1 Open tables: 8 Queries per second avg: 0.0      #3 使用系统函数  复制代码 代码如下:     mysql> select version();  +-----------+  | version() |  +-----------+  | 5.1.69 |  +-----------+  1 row in set (0.12 sec)      #4 $ mysql --help | grep Distrib  mysql Ver 14.14 Distrib 5.1.69, for redhat-linux-gnu (x86_64) using readline 5.1    #5 包管理工具（根据不同系统 rh系列或则是bsd系列）  $ rpm -qa|grep mysql  qt-mysql-4.6.2-20.el6.x86_64  mysql-server-5.1.69-1.el6_4.x86_64  mysql-libs-5.1.69-1.el6_4.x86_64  mysql-5.1.69-1.el6_4.x86_64  mysql-devel-5.1.69-1.el6_4.x86_64    REF: